Frequency combs in quantum cascade lasers: An overview of modeling and experiments

C Silvestri, X Qi, T Taimre, K Bertling, AD Rakić - APL Photonics, 2023 - pubs.aip.org
Over the past decade, the demonstration of frequency combs has been reported in a wide
range of quantum cascade lasers. These combs have huge potential in applications …

Nonlocal bonding of a soliton and a blue-detuned state in a microcomb laser

A Cutrona, V Cecconi, PH Hanzard, M Rowley… - Communications …, 2023 - nature.com
Laser cavity-solitons can appear in a microresonator-filtered laser when judiciously
balancing the slow nonlinearities of the system. Under certain conditions, such optical states …

Tunable terahertz hybrid metamaterials supported by 3D Dirac semimetals

X He, W Cao - Optical Materials Express, 2023 - opg.optica.org
By utilizing the three-dimensional Dirac semimetal (DSM)-strontium titanate (SrTiO_3, STO)
elliptical hybrid metamaterials, the tunable Fano resonances were systematically analyzed …

3D Dirac semimetal supported thermal tunable terahertz hybrid plasmonic waveguides

Y Cheng, W Cao, G Wang, X He, F Lin, F Liu - Optics Express, 2023 - opg.optica.org
By depositing the trapezoidal dielectric stripe on top of the 3D Dirac semimetal (DSM) hybrid
plasmonic waveguide, the thermal tunable propagation properties have been systematically …

Active mid-infrared ring resonators

D Kazakov, TP Letsou, M Beiser, Y Zhi… - Nature …, 2024 - nature.com
High-quality optical ring resonators can confine light in a small volume and store it for
millions of roundtrips. They have enabled the dramatic size reduction from laboratory scale …

Photonic frequency microcombs based on dissipative Kerr and quadratic cavity solitons

M Nie, Y Xie, B Li, SW Huang - Progress in Quantum Electronics, 2022 - Elsevier
Optical frequency comb, with precisely controlled spectral lines spanning a broad range, has
been the key enabling technology for many scientific breakthroughs. In addition to the …

Nozaki–Bekki solitons in semiconductor lasers

N Opačak, D Kazakov, LL Columbo, M Beiser… - Nature, 2024 - nature.com
Optical frequency-comb sources, which emit perfectly periodic and coherent waveforms of
light, have recently rapidly progressed towards chip-scale integrated solutions. Among them …

Short pulse generation from a graphene-coupled passively mode-locked terahertz laser

E Riccardi, V Pistore, S Kang, L Seitner, A De Vetter… - Nature …, 2023 - nature.com
The generation of stable trains of ultrashort (femtosecond to picosecond), terahertz-
frequency radiation pulses with large instantaneous intensities is an underlying requirement …

Quantum walk comb in a fast gain laser

I Heckelmann, M Bertrand, A Dikopoltsev, M Beck… - Science, 2023 - science.org
Synthetic lattices in photonics enable the exploration of light states in new dimensions,
transcending phenomena common only to physical space. We propose and demonstrate a …

On-chip optical comb sources

A Hermans, K Van Gasse, B Kuyken - APL Photonics, 2022 - pubs.aip.org
On-chip integration of optical comb sources is crucial in enabling their widespread use.
Integrated photonic devices that can be mass-manufactured in semiconductor processing …